/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.mfi.controllers;

import com.mfi.models.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author User
 */
public class OrderServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            request.setAttribute("title", "Order");

            DBConnection connection = new DBConnection();

            ArrayList<Category> categories = connection.getActiveCategories();
            request.setAttribute("categories", categories);

            int category_id = 0;

            if (categories.size() > 0) {
                if (request.getParameter("category") != null) {
                    category_id = Integer.parseInt(request.getParameter("category"));
                } else {
                    category_id = categories.get(0).getId();
                }
            }

            request.setAttribute("category_id", category_id);

            request.setAttribute("products", connection.getProductsByCategory(category_id));

            request.getRequestDispatcher("/order/index.jsp").forward(request, response);

        } catch (NumberFormatException ex) {
            request.getSession().setAttribute("error", "Ooopps!");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
